deposito's in het oosten van continenten
Azië
India
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
South Africa, Tanzania
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Europa
Germany, Greece, Italy, Scotland, Turkey
Bulgaria, England, Germany, Norway, Romania, Switzerland
anderen
Antarctica, Groenland
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deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
Argentina, Brazil, Colombia, Venezuela
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
deposito's in Oceanië continent
Australië
Central Australia, New Zealand, Queensland, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia